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Finding the Fourth Proportional to 515,576.94, 773,308.09 and 160,561.23

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Solution

The fourth proportional to 515,576.94, 773,308.09 and 160,561.23 is: 240,823.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,576.94 : 773,308.09 = 160,561.23 : x
  2. Step 2: Convert to fraction form
    515,576.94/773,308.09 = 160,561.23/x
  3. Step 3: Cross multiply
    515,576.94x = 773,308.09 × 160,561.23
  4. Step 4: Simplify right side
    515,576.94x = 124,163,298,099.35
  5. Step 5: Solve for x
    x = 124,163,298,099.35/515,576.94
  6. Step 6: Final answer
    x = 240,823.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.